Denmark participated in the Eurovision Song Contest 2019 with the song "Love Is Forever" written by Lise Cabble, Melanie Wehbe and Emil Lei. The song was performed by Leonora. The Danish broadcaster DR organised the national final Dansk Melodi Grand Prix 2019 in order to select the Danish entry for the 2019 contest in Tel Aviv, Israel. Ten songs competed in a televised show where "Love Is Forever" performed by Leonora was the winner as decided upon through the combination of jury voting and public voting over two rounds.

The Eurovision Song Contest 2019 was the 64th edition of the Eurovision Song Contest. It took place in Tel Aviv, Israel, following the country's victory at the 2018 contest with the song "Toy" by Netta. Organised by the European Broadcasting Union (EBU) and host broadcaster the Israeli Public Broadcasting Corporation (IPBC/Kan), the contest was held at Expo Tel Aviv, and consisted of two semi-finals on 14 and 16 May, and a final on 18 May 2019. The three live shows were presented by Israeli television presenters Erez Tal, Assi Azar and Lucy Ayoub, and Israeli model Bar Refaeli.